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https://issues.apache.org/jira/browse/IMPALA-9367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-9367.
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Resolution: Won't Do
I don't think this is viable at this point because of the need to interoperate
with the JVM side of things.
> Allow specifying MEMORY kerberos credential cache
> -------------------------------------------------
>
> Key: IMPALA-9367
> URL: https://issues.apache.org/jira/browse/IMPALA-9367
> Project: IMPALA
> Issue Type: Improvement
> Components: Security
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Priority: Major
> Labels: kerberos
>
> Currently --krb5_ccname defaults to "/tmp/krb5cc_impala_internal" and
> requires that the argument be an absolute path.
> Kudu actually defaults to "MEMORY:kudu" as its credential cache, which may
> have some advantages, e.g. it doesn't depend on the filesystem.
> It would be reasonable to allow setting the credential cache type to MEMORY.
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